Abstract
ABSTRACT The review of the investigations of th e optical radiation forming of the multi- channel nuclear-pumped lasers performed in VNIIEF is presented. There are several ways to solve the problem of the laser beam number minimization: 1) the using of the generator amplifier scheme; 2) the phasing of the radiation of several lasers channels by means of the optical coupling devices; 3) the using of consecutive and parallel composition of the laser channels. At present, in VNIIEF the investigations of the generator amplifier scheme and the laser systems consisted of two, three and four consecutive composed channels have b een performed experimentally. Moreover, investigations of parallel composition of two laser channels are in progress now. There are three nuc lear-pumped laser systems which were used to investigate the composition methods: LM-4, LM-8 and LUNA-2M, moreover, except the LM-4 these multi-channel systems are being used for carrying out the experiments nowadays. Keywords: Nuclear-pumped lasers, multichannel laser system, generator-amplifier scheme, consecutive composition of laser channels, parallel composition of laser channels.
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